<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title><select> 元素（下拉列表）</title>
</head>
<body>

<form action="/demo/demo_form.asp">
  <select name="cars">
    <option value="volvo">Volvo</option>
    <option value="saab">Saab</option>
    <option value="fiat">Fiat</option>
    <option value="audi">Audi</option>
  </select>
  <br><br>
  <input type="submit">
</form>

</body>
</html>